What should be subtracted from 3x + 5y + 9

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.